<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Document</title>
  </head>
  <body>
    <script>
      function* t1() {
        yield "a";
        yield "b";
      }

      function* test() {
        // t1();
        // yield t1();
        yield* t1(); // 相当于将t1生成器copy过来
        yield 1;
        yield 2;
        yield 3;
      }

      const generator = test();
    </script>
  </body>
</html>
